js match any number string
const match = 'some/path/123'.match(/\/(\d+)/)
const id = match[1] // '123'js match any number string
const match = 'some/path/123'.match(/\/(\d+)/)
const id = match[1] // '123'how to use the match function in javascript for regex
const str = 'For more information, see Chapter 3.4.5.1';
const re = /see (chapter \d+(\.\d)*)/i;
const found = str.match(re);
console.log(found);
// logs [ 'see Chapter 3.4.5.1',
// 'Chapter 3.4.5.1',
// '.1',
// index: 22,
// input: 'For more information, see Chapter 3.4.5.1' ]
// 'see Chapter 3.4.5.1' is the whole match.
// 'Chapter 3.4.5.1' was captured by '(chapter \d+(\.\d)*)'.
// '.1' was the last value captured by '(\.\d)'.
// The 'index' property (22) is the zero-based index of the whole match.
// The 'input' property is the original string that was parsed.str.match
str.match(/^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])([a-zA-Z0-9]{8,})$/)Copyright © 2021 Codeinu
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